On Mon, 2024-09-16 at 19:59 +0000, Ihor Solodrai wrote: [...] > diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile > index df75f1beb731..365740f24d2e 100644 > --- a/tools/testing/selftests/bpf/Makefile > +++ b/tools/testing/selftests/bpf/Makefile > @@ -622,10 +622,11 @@ $(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_OUTPUT)/%: $$$$(%-deps) $(BPFTOOL) | $(TR > > # When the compiler generates a %.d file, only skel basenames (not > # full paths) are specified as prerequisites for corresponding %.o > -# file. This target makes %.skel.h basename dependent on full paths, > -# linking generated %.d dependency with actual %.skel.h files. > -$(notdir %.skel.h): $(TRUNNER_OUTPUT)/%.skel.h > - @true > +# file. vpath directives below instruct make to search for skel files > +# in TRUNNER_OUTPUT, if they are not present in the working directory. > +vpath %.skel.h $(TRUNNER_OUTPUT) > +vpath %.lskel.h $(TRUNNER_OUTPUT) > +vpath %.subskel.h $(TRUNNER_OUTPUT) > > endif When I try this patch, the following happens after first full tests build: $ touch progs/verifier_and.c; make -j test_progs CLNG-BPF [test_progs] verifier_and.bpf.o CLNG-BPF [test_progs-no_alu32] verifier_and.bpf.o CLNG-BPF [test_progs-cpuv4] verifier_and.bpf.o GEN-SKEL [test_progs] verifier_and.skel.h GEN-SKEL [test_progs-no_alu32] verifier_and.skel.h GEN-SKEL [test_progs-cpuv4] verifier_and.skel.h TEST-OBJ [test_progs] verifier.test.o BINARY test_progs Note that multiple binaries are built.
